#include<string.h>
#include<stdio.h>
int main()
{
	char ch1[] = "welcome to bit!!!!!!!!";
	char ch2[] = "**********************";
	int left = 0;
	int right = strlen(ch1)-1;
	while (left<=right)
	{
		ch2[left] = ch1[left];
		ch2[right] = ch1[right];
		printf("%s\n", ch2);
		left++;
		right--;
	}
	return 0;
}